package org.springblade.common.filter;

import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

/**
 * 演示过滤器
 *
 * @author Chill
 */
public class PreviewFilter implements Filter {

    private static final List<String> KEYS = new ArrayList<>();

    static {
        KEYS.add("notice");
        KEYS.add("process");
        KEYS.add("work");
        KEYS.add("token");
    }


    @Override
    public void init(FilterConfig filterConfig) {
    }


    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {

        HttpServletRequest httpServletRequest = (HttpServletRequest) servletRequest;
        String path = httpServletRequest.getServletPath();
        String method = httpServletRequest.getMethod();

        String get = "GET";
        if (method.equals(get) || KEYS.stream().anyMatch(path::contains)) {
            filterChain.doFilter(servletRequest, servletResponse);
        } else {
            throw new RuntimeException("演示环境暂时无法操作！");
        }

    }

    @Override
    public void destroy() {
    }
}
